<template>
  <div>
    <p>{{ message }}</p>
    <button @click="changeMessage">修改消息</button>
  </div>
</template>

<script setup>
import { ref } from 'vue';

const message = ref('Hello, Composition API!');

const changeMessage = () => {
  message.value = '消息已被修改';
};
</script>

<style scoped>
header {
  line-height: 1.5;
}

.logo {
  display: block;
  margin: 0 auto 2rem;
}

@media (min-width: 1024px) {
  header {
    display: flex;
    place-items: center;
    padding-right: calc(var(--section-gap) / 2);
  }

  .logo {
    margin: 0 2rem 0 0;
  }

  header .wrapper {
    display: flex;
    place-items: flex-start;
    flex-wrap: wrap;
  }

  button {
    font-weight: bold;
  }
}
</style>
